Live feed19:45:36·530dINSIDERFilingvia QuantisnowLarge owner Nierenberg David bought $70,149 worth of shares (7,600 units at $9.23), increasing direct ownership by 8% to 101,998 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PBPB· Potbelly CorporationConsumer DiscretionaryOriginal source